<template>
   <div class="icons">
       <swiper :options="swiperOption">
         <swiper-slide v-for="(page,index) of pages" :key="index">
             <div class="icon" v-for="item of page" :key="item.id">
               <div class="icon-img">
                  <img class="icon-img-content" :src="item.imgUrl">
               </div>
                <p class="icon-desc">{{ item.desc }}</p>
             </div>
          </swiper-slide>
       </swiper>
   </div>
</template>

<script>
  export default {
     name: 'HomeIcons',
     props: {
        list: Array
     },
     data () {
        return {
           swiperOption: {
              autoplay: false
           }
        }
     },
     computed: {
        pages () {
           const pages = []
           this.list.forEach((item,index) => {
              const page = Math.floor(index / 8)
              if(!pages[page]){
                 pages[page] = []
              }
              pages[page].push(item)
           })
           return pages
        }
     }
  }
</script>

<style lang="stylus" scoped>
   @import '~styles/varibles.styl'
   @import '~styles/mixins.styl'
  .icons >>> .swiper-container
      height: 0
      padding-bottom: 50%
  .icons
    margin-top: .2rem
    .icon
       position: relative
       overflow: hidden
       float: left
       width: 25%
       height: 0
       padding-bottom: 25%
       .icon-img
           position: absolute
           top: 0
           left: 0
           right: 0
           bottom: .44rem
           box-sizing: border-box
           padding: .1rem
           .icon-img-content
              display: block
              margin: 0 auto
              height: 100%
       .icon-desc
          position: absolute
          left: 0
          right: 0
          bottom: 0
          height: .44rem
          line-height: .44rem
          color: $darkTextColor
          text-align: center
          ellipsis()

</style>
